Science Buddies
Science Buddies: Correlation of Coronal Mass Ejections With Solar Sunspot Cycle
Scientists have known for hundreds of years that sunspot activity waxes and wanes over a cycle that lasts approximately 11 years. In the 1970's, scientists discovered that the sun periodically blasts electrified gases into space, in huge...
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Science Buddies: Buoyancy of Floating Cylinders
This project presents an interesting puzzle. A disk of wood will float face-up, that is, with its circular cross-section parallel to the surface of the water. A long log of wood, however, floats with the circular cross-section...
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Science Buddies: Locating the Epicenter of an Earthquake
When an earthquake happens, how are scientists able to determine the original location of the quake? In this project, you'll use archived data from a network of seismometers to find out for yourself. You'll create your own seismograms...
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Science Buddies: Make a Hygrometer With Strands of Hair
Does your hair go crazy when the weather turns damp? Did you know that strands of hair can relax and lengthen when the humidity increases and then contract again when the humidity decreases? In fact, hair strands can be used as the basis...
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Science Buddies: Spending Habits: Tightwads vs. Spendthrifts
Do you have a hard time hanging on to your money or do you have a harder time letting it go? This project shows you how to conduct a simple survey to measure how people manage their money. Find out what percentage of your classmates are...
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Science Buddies: Measuring Surface Tension of Water With a Penny
Have you ever wondered what makes water 'bead' up on a freshly waxed car? In this project you'll investigate the chemistry of surface tension by measuring how many drops of water a penny can hold.
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Science Buddies: How Does Color Affect Heating by Absorption of Light?
Light is an example of an electromagnetic wave. Electromagnetic waves can travel through the vacuum of interstellar space. They do not depend on an external medium-unlike a mechanical wave such as a sound wave which must travel through...
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Science Buddies: Gigantic Triangles: Measuring Altitude (Inclinometer)
If you've ever wondered how tall that bridge is, or how high your kite was, then this could be a good project for you. You'll learn how you can use the mathematics of right triangles to measure the height of an object with two...
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Science Buddies: Measuring Light Intensity Using the Inverse Square Law
You've probably heard that compact fluorescent light bulbs are more efficient than incandescent bulbs. More of the electricity they use goes into producing light, and less into producing heat than with incandescent bulbs. How much more...
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Science Buddies: How Atmospheric Temperature Affects the Water Content of Snow?
If you're lucky enough to live in a place that gets snow in winter, you know that the feel of the snow can vary a lot. Sometimes it can be light and fluffy, and other times heavy and wet. This project shows you how to use data from daily...
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Science Buddies: Investigate Mpemba Effect Can Hot Water Freeze Faster Than Cold
This physics project seems like it should have an easy answer. Instead, it turns out to be a great illustration of why it is important to base scientific conclusions on the outcome of controlled experiments. Things don't always turn out...
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Science Buddies: Supercooling Water and Snap Freezing
Can water remain liquid below its normal freezing point? If it does, that water is supercool(-ed). This project shows you a method for supercooling water. You can test water from different sources to see whether or not it can be...
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Science Buddies: Using Weather Balloon Data to Map Atmospheric Temperature
Snow-capped mountains make a picturesque scene, especially in summertime when the peaks are in such contrast to the warmth below. This project shows you a way to see how temperature changes with altitude using data collected twice daily...
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Science Buddies: Ring of Fire 2: What Earthquakes Tell Us About Plate Tectonics
The theory of plate tectonics revolutionized geology in the 1960's. In this project you can explore the connection between plate tectonics and earthquakes by mapping historical seismic data.
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Science Buddies: Multitasking: Brain Drain or Boost in Efficiency?
Think it's a good idea to plug into iTunes, surf the Web, or watch TV while doing homework or trying to read? Many people do it and claim that jumping from one activity to another keeps their attention level up and even gives their brain...
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Science Buddies: Extreme Sounds: Lessons in a Noisy World
Just how loud does a sound have to be for us to hear it? And how loud is too loud for our ears? Learn to measure levels of sound in this project, and discover the amazing auditory range your ears can detect in the noisy world around you.
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Science Buddies: Where Do Lizards Go for Lunch?
You've probably heard about differences between the left brain and the right brain in people. One hypothesis has it that brain lateralization evolved as a survival mechanism in animals with eyes on the sides of their heads. One eye could...
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Science Buddies: Tail Wagging and Brain Lateralization
The left brain is supposed to be better at language, and organizing sequential actions, the right brain is supposed to be better at visualizing orientations in space, making and listening to music, and deciphering the emotions of others....
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Science Buddies: Roller Coaster Marbles: How Much Height to Loop the Loop?
This is a really fun project even if you don't like going on roller coasters yourself. You'll build a roller coaster track for marbles using foam pipe insulation and masking tape, and see how much of an initial drop is required to get...
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Science Buddies: Dog Scents: The Super Nose of Man's Best Friend
Everyone thinks their dog's the best, but in the case of smelling ability, all dogs possess super powers. In fact, a dog's nose can be over a 1,000 times more sensitive than a human's. In this project, learn about smell from a dog's...
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Science Buddies: Converting Potential Energy to Kinetic Energy
If you'd like to investigate the physics of amusement park rides, then this project is for you. You'll build a roller coaster track for marbles using foam pipe insulation and masking tape, and see how much the marble's potential energy...
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Science Buddies: Tightening the Turns in Speed Skating
Fast turns around the track can become your laboratory tests in these experiments, whether you skate on ice, wood, or pavement. The goal is to determine which type of turns are best in a race - tight, medium, or wide - and then to figure...
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Science Buddies: Shaping Your Thoughts?
This is an experiment that explores certain aspects of how your brain pays attention. In this project, you'll have to recruit volunteers to take a simple test: naming a list of printed shapes. What makes the test tricky is that words...
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Science Buddies: Warped Words and the Stroop Effect
The Stroop effect describes an experiment about the time it takes to name the color of printed words. When you try to name the color in which color words are printed, it takes longer when the color word differs from the ink color than...
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